On Fri, 2007-01-26 at 00:51 -0800, Andrew Morton wrote:
> On Fri, 26 Jan 2007 09:03:37 +0100
> Peter Zijlstra <[EMAIL PROTECTED]> wrote:
>
> > On Thu, 2007-01-25 at 22:04 -0800, Andrew Morton wrote:
> > > On Thu, 25 Jan 2007 21:31:43 -0800 (PST)
> > > Christoph Lameter <[EMAIL PROTECTED]> wrote:
>
On Fri, 2007-01-26 at 00:51 -0800, Andrew Morton wrote:
> A patch against next -mm would suit, thanks.
>
> (But we already use atomic_long_t in generic code?)
but there is currently no atomic_long_{inc,dec}_return, or any
atomic_long_*_return function for that matter.
Mathieu adds these missing
On Fri, 26 Jan 2007 09:03:37 +0100
Peter Zijlstra <[EMAIL PROTECTED]> wrote:
> On Thu, 2007-01-25 at 22:04 -0800, Andrew Morton wrote:
> > On Thu, 25 Jan 2007 21:31:43 -0800 (PST)
> > Christoph Lameter <[EMAIL PROTECTED]> wrote:
> >
> > > On Thu, 25 Jan 2007, Andrew Morton wrote:
> > >
> > > > a
On Fri, 2007-01-26 at 09:00 +0100, Peter Zijlstra wrote:
> On Thu, 2007-01-25 at 21:02 -0800, Andrew Morton wrote:
> > On Thu, 25 Jan 2007 16:32:28 +0100
> > Peter Zijlstra <[EMAIL PROTECTED]> wrote:
> >
> > > +long congestion_wait_interruptible(int rw, long timeout)
> > > +{
> > > + long ret;
> >
On Thu, 2007-01-25 at 22:04 -0800, Andrew Morton wrote:
> On Thu, 25 Jan 2007 21:31:43 -0800 (PST)
> Christoph Lameter <[EMAIL PROTECTED]> wrote:
>
> > On Thu, 25 Jan 2007, Andrew Morton wrote:
> >
> > > atomic_t is 32-bit. Put 16TB of memory under writeback and blam.
> >
> > We have systems wi
On Thu, 2007-01-25 at 21:02 -0800, Andrew Morton wrote:
> On Thu, 25 Jan 2007 16:32:28 +0100
> Peter Zijlstra <[EMAIL PROTECTED]> wrote:
>
> > +long congestion_wait_interruptible(int rw, long timeout)
> > +{
> > + long ret;
> > + DEFINE_WAIT(wait);
> > + wait_queue_head_t *wqh = &congestion_
On Thu, 25 Jan 2007, Andrew Morton wrote:
> > We have systems with 8TB main memory and are able to get to 16TB.
>
> But I bet you don't use 4k pages on 'em ;)
IA64 can be configured for 4k pagesize but yes 16k is the default. There
are plans to go much higher though. Plus there may be other rea
On Thu, 25 Jan 2007 21:31:43 -0800 (PST)
Christoph Lameter <[EMAIL PROTECTED]> wrote:
> On Thu, 25 Jan 2007, Andrew Morton wrote:
>
> > atomic_t is 32-bit. Put 16TB of memory under writeback and blam.
>
> We have systems with 8TB main memory and are able to get to 16TB.
But I bet you don't use
On Thu, 25 Jan 2007, Andrew Morton wrote:
> atomic_t is 32-bit. Put 16TB of memory under writeback and blam.
We have systems with 8TB main memory and are able to get to 16TB.
Better change it now.
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On Thu, 25 Jan 2007 16:32:28 +0100
Peter Zijlstra <[EMAIL PROTECTED]> wrote:
> Hopefully the last version ;-)
>
>
> ---
> Subject: nfs: fix congestion control
>
> The current NFS client congestion logic is severly broken, it marks the
> backing
> device congested during each nfs_writepages() c
On Thu, 25 Jan 2007 16:32:28 +0100
Peter Zijlstra <[EMAIL PROTECTED]> wrote:
> +long congestion_wait_interruptible(int rw, long timeout)
> +{
> + long ret;
> + DEFINE_WAIT(wait);
> + wait_queue_head_t *wqh = &congestion_wqh[rw];
> +
> + prepare_to_wait(wqh, &wait, TASK_INTERRUPTIBL
Hopefully the last version ;-)
---
Subject: nfs: fix congestion control
The current NFS client congestion logic is severly broken, it marks the backing
device congested during each nfs_writepages() call but doesn't mirror this in
nfs_writepage() which makes for deadlocks. Also it implements its
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